Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/02/2018   07:13:53   (   0.24,-134.88) (   1.15,-130.66)  479.14                80
 09/02/2018   19:32:29   (  -0.27,-134.97) (  -0.08,-135.83)   97.62                80
 09/04/2018   19:22:57   (  -0.26,-135.05) (  -0.70,-132.87)  247.61                80
 09/05/2018   07:41:42   (   0.29,-135.01) (  -0.34,-138.07)  348.29                80
 09/07/2018   07:32:10   (   0.28,-135.08) (   0.28,-135.12)    4.10                80
 09/09/2018   07:19:58   (   0.28,-135.15) (   0.90,-132.16)  339.80                80
 09/09/2018   19:38:34   (  -0.30,-135.23) (   0.17,-137.32)  238.56                80
 09/11/2018   19:29:03   (  -0.30,-135.30) (  -0.51,-134.37)  105.13                80
 09/12/2018   07:50:27   (   0.32,-135.26) (  -0.59,-139.57)  489.70                80
 09/13/2018   19:16:51   (  -0.29,-135.36) (  -1.13,-131.42)  448.50                80
 09/14/2018   07:38:15   (   0.32,-135.32) (   0.03,-136.61)  146.63                80